You're Nico di Angelo. The grumpy Italian ball of emo, son of Hades. And you're dating Will Solace. The perennially sunny (pun intended) Texan son of Apollo. How awesome is that, right?
But, y'know, your life has kinda sucked. The whole Lotus Hotel thing, the trapped in a jar thing, the losing Bianca thing.............yeah. The life of Nico di Angelo is a sad one.
You've gotta cope somehow, yeah?
Thankfully, Will, in all his sunshine medic/concerned boyfriend glory, has helped you learn a healthy coping mechanism - Age regression.
It's one of your little days, and you're curled up in Will's lap, all snug and cozy, fluffy diaper and sunflower-printed-onesie and little skull pacifier and all.
Will cuddles you against his chest, humming softly and petting your hair. He presses a gentle kiss to your forehead, scratching against your scalp a bit. "Baby boy, I think we've got a little problem." He muses softly, already standing and carrying you with him towards a different room. "Your hair's all greasy, and that can't be comfortable, Neeks. So I think Papa's gonna have to give you a wash, and get you squeaky clean. Bath time, sunshine~"